{"id":40378,"date":"2026-04-03T16:58:30","date_gmt":"2026-04-03T14:58:30","guid":{"rendered":"https:\/\/diagnozabam.ro\/sfaturi\/?p=40378"},"modified":"2026-04-03T16:58:30","modified_gmt":"2026-04-03T14:58:30","slug":"p0221-code-throttle-pedal-position-sensor-b-range-performance","status":"publish","type":"post","link":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/p0221-code-throttle-pedal-position-sensor-b-range-performance\/","title":{"rendered":"P0221 Code \u2013 Throttle\/Pedal Position Sensor B Range\/Performance"},"content":{"rendered":"

The P0221 code<\/strong> is a diagnostic trouble code that indicates a range<\/a> or performance problem in the throttle<\/a> or accelerator pedal position sensor \u201cB\u201d circuit. This system is essential in modern vehicles equipped with electronic throttle<\/a> control, where the engine control unit (ECU) relies on precise sensor data to regulate engine power.<\/p>\n

When the ECU detects that the signal from sensor \u201cB\u201d is inconsistent, outside expected limits, or does not match other sensor inputs, it triggers the P0221 code<\/strong>. Understanding this issue is critical because it directly affects throttle<\/a> response and overall vehicle performance.<\/p>\n

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What Does P0221 Code Mean?<\/h2>\n

The P0221 code<\/strong> means that the ECU has detected a performance or range<\/a> issue in the throttle<\/a> or pedal position sensor \u201cB\u201d circuit.<\/p>\n

Unlike a complete circuit failure, this code indicates that the sensor is still functioning but sending incorrect or inconsistent data. The ECU compares signals from multiple sensors (A, B, sometimes C), and if sensor \u201cB\u201d deviates beyond acceptable limits, the code is stored.<\/p>\n

This fault affects how accurately the engine responds to driver input.<\/p>\n

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Symptoms of P0221 Code<\/h2>\n

When the P0221 code<\/strong> is present, the following symptoms may occur:<\/p>\n